.header {
    width: 100%;
    height: 120px;
    overflow: hidden;
    position: fixed;
    background-color: rgb(194, 32, 32);
    img {
        display: block;
        height: 54px;
        float: left;
    }
    input {
        display: block;
        width: 95%;
        margin:auto;
        margin-top: 70px;
        padding-left: 20px;
        box-sizing: border-box;
        border: none;
        outline: none;
        height: 30px;
    }
}